Dirranbandi is a rural town and locality in the Shire of Balonne, Queensland, Australia. The locality is on the border of Queensland with New South Wales. In the 2021 census, the locality of Dirranbandi had a population of 610 people.

Castlereagh Highway is a 790-kilometre (490 mi) state highway located in New South Wales and Queensland, Australia. From north to south the highway traverses South West Queensland and the North West Slopes, Orana, and Central West regions of New South Wales.